MIPS: Octeon: Migrate to new platform makefile style.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile
index 3e98763..19eb043 100644
--- a/arch/mips/cavium-octeon/Makefile
+++ b/arch/mips/cavium-octeon/Makefile
@@ -12,7 +12,6 @@
 obj-y := cpu.o setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o
 obj-y += dma-octeon.o flash_setup.o
 obj-y += octeon-memcpy.o
+obj-y += executive/
 
 obj-$(CONFIG_SMP)                     += smp.o
-
-EXTRA_CFLAGS += -Werror